nickeline

[ nik-uh-leen ]
/ ˈnɪk əˌlin /

noun

a usually massive, pale copper-red mineral, nickel arsenide, NiAs, with a metallic luster.
Also called niccolite.

Origin of nickeline

First recorded in 1780–90; nickel + -ine2

British Dictionary definitions for nickeline

nickeline
/ (ˈnɪkəˌliːn) /

noun

another name for niccolite